More evidence has emerged suggesting there is more sea ice in the Arctic today than nearly any time in the last 8000 years.
According to a new study, biomarker evidence suggests the Barents Sea (Arctic) was seasonally “ice free” from ~8000 to ~2100 years ago, or back when the CO2 concentration was said to be about 265 ppm.
Since that warmer Arctic period, the climate cooled and sea ice extent expanded.
For the last 2100 years sea there has been year-round sea ice in this region . Today the minimum sea ice coverage is in August and September, whereas the maximum ice coverage is in March/April.
The modern period (1988-2007) has among the highest sea ice levels of the Holocene, with ~80% coverage in spring (Koseoglu, 2019).
Image Source: Telesinski et al., 2024
Image Source: Koseoglu, 2019
via NoTricksZone
December 2, 2024 at 07:31AM
Iowa Climate Science Education 